Maya Firsowicz, MD
Dermatology · La Mesa, CA
At a glance
8860 Center Dr Ste 300, La Mesa, CA 91942-7001
Published activity: Removal of skin lesions · Skin biopsy. View counts and coverage
NPPES record updated May 28, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
8860 Center Dr Ste 300La Mesa, CA 91942-7001
Additional reported practice locations
489 Saxony Pl Ste 101Encinitas, CA 920242875
Phone: 7602575550
Fax: 8582522053 5550 Carmel Mountain Rd Ste 206
San Diego, CA 921304861
Phone: 8589432540
Education & affiliations
- Medical / professional school
- Baylor College Of Medicine
- Graduation year
- 2020
- CMS specialties
- Dermatology
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Removal of skin lesions | 44 |
| Skin biopsy | 18 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $753.67 |
Reporting companies
| Company | Amount |
|---|---|
| ABBVIE INC. | $337.42 |
| GENZYME CORPORATION | $82.02 |
| LEO PHARMA INC. | $50.99 |
| SUN PHARMACEUTICAL INDUSTRIES INC. | $41.97 |
| JANSSEN BIOTECH, INC. | $40.99 |
| GENENTECH USA, INC. | $33.36 |
| UCB, INC. | $29.14 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $28.88 |
| Other reporting companies | $108.90 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Dermatology
- Taxonomy code
- 207N00000X
- Enumeration date
- Mar 30, 2020
- Record updated
- May 28, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207N00000X · Primary
License reported: A195623 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
8860 Center Dr Ste 300La Mesa, CA 91942-7001
- Phone
- (619) 462-1670
- Fax
- (619) 462-3209
Mailing address
8860 CENTER DR STE 300LA MESA, CA 919427001
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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